// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/views/view_model_utils.h"

#include "testing/gtest/include/gtest/gtest.h"
#include "ui/views/view.h"
#include "ui/views/view_model.h"

namespace views {

// Makes sure SetViewBoundsToIdealBounds updates the view appropriately.
TEST(ViewModelUtils, SetViewBoundsToIdealBounds)
{
    View v1;
    ViewModel model;
    model.Add(&v1, 0);
    gfx::Rect v1_bounds(1, 2, 3, 4);
    model.set_ideal_bounds(0, v1_bounds);
    ViewModelUtils::SetViewBoundsToIdealBounds(model);
    EXPECT_EQ(v1_bounds, v1.bounds());
}

// Assertions for DetermineMoveIndex.
TEST(ViewModelUtils, DetermineMoveIndex)
{
    View v1, v2, v3;
    ViewModel model;
    model.Add(&v1, 0);
    model.Add(&v2, 1);
    model.Add(&v3, 2);
    model.set_ideal_bounds(0, gfx::Rect(0, 0, 10, 10));
    model.set_ideal_bounds(1, gfx::Rect(10, 0, 1000, 10));
    model.set_ideal_bounds(2, gfx::Rect(1010, 0, 2, 10));

    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::HORIZONTAL, -10, 0));
    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::HORIZONTAL, 4, 0));
    EXPECT_EQ(1, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::HORIZONTAL, 506, 0));
    EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::HORIZONTAL, 1010, 0));
    EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::HORIZONTAL, 2000, 0));

    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v2, ViewModelUtils::HORIZONTAL, -10, 0));
    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v2, ViewModelUtils::HORIZONTAL, 4, 0));
    EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v2, ViewModelUtils::HORIZONTAL, 12, 0));

    // Try the same when vertical.
    model.set_ideal_bounds(0, gfx::Rect(0, 0, 10, 10));
    model.set_ideal_bounds(1, gfx::Rect(0, 10, 10, 1000));
    model.set_ideal_bounds(2, gfx::Rect(0, 1010, 10, 2));

    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::VERTICAL, 0, -10));
    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::VERTICAL, 0, 4));
    EXPECT_EQ(1, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::VERTICAL, 0, 506));
    EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::VERTICAL, 0, 1010));
    EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v1, ViewModelUtils::VERTICAL, 0, 2000));

    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v2, ViewModelUtils::VERTICAL, 0, -10));
    EXPECT_EQ(0, ViewModelUtils::DetermineMoveIndex(model, &v2, ViewModelUtils::VERTICAL, 0, 4));
    EXPECT_EQ(2, ViewModelUtils::DetermineMoveIndex(model, &v2, ViewModelUtils::VERTICAL, 0, 12));
}

} // namespace views
